Was watching a video on the 3 and the noticed that the SR+ appears to use the same tire type as the Leaf (Michelin energy savers). Is that accurate?

Not sure if you've changed your tires, but the OEM tires for the leaf are Bridgestone Ecopia's. So they didn't start off the same, but your current setup might have the same. Although "Michelin energy savers" doesn't ring a bell as to the specific model.

My LR RWD (should be the same as with any tesla with 18" wheels) has the base tires and they're Michelin Primacy MXM4to green (low-rolling resistance, foam inside, and supports heavy load) V-rated (the leaf can use T, U, and H rated tires - why spend more for features you can't use?).

I wouldn't worry too much about monthly differences in sales data. Everything currently comes out of the Fremont factory, and they try to minimize shipping costs, so deliveries will always come out lumpy.

Model 3 sales might not beat out e-golf this year, or the leaf next year, but it inevitably will.